An Amber Alert was issued Friday after two children were kidnapped in Tucson after their Department of Child Safety contract worker was struck with a Taser and bound with duct tape, officials said.

Authorities are searching for 5-year-old Luis Ramirez Jr. and 6-month-old Kahmila Ramirez, who were taken by their parents, according to the state Amber Alert issued Friday afternoon.

The parents were identified as Luis Ramirez, 30, and Andrea Ramirez, 28. They are believed to be traveling in a green or teal 1996 Toyota Camry, four-door sedan with license plate BKH8427.

Luis Ramirez(Photo: Arizona Amber Alert System)

A photo of the children was issued with the alert.

Luis was last seen wearing a grey and white striped Polo shirt and khaki pants. Kahmila was last seen wearing a white onesie with yellow ruffles.

They were taken while on a supervised visit with their parents in the presence of the DCS contract worker. Information about why the couple did not have custody of the children was not immediately available.

Luis Ramirez is described as 5-foot-6 and weighing 200 pounds. He was last seen wearing a red and white polo shirt with blue jeans. He has a mustache and beard.

MISSING/ABDUCTED: 5yr old Luis Ramirez Jr & 6month old Kahmila Ramirez were taken by their parents (30yr old Luis Ramirez & 28yr old Andrea Ramirez -pictured below) after assaulting a Case Aid during a supervised visit. Left in a Green Toyota Camry #BKH8427. Call 911 w/any info. pic.twitter.com/wBQ5LuQIns